Results 51 to 60 of about 3,112 (203)

1164. Echinacea simulata McGregor

Curtis's Botanical Magazine, EarlyView.
Summary Echinacea simulata McGregor (Compositae: Heliantheae: Zinniinae) is described and illustrated. Notes are provided for the species' cultivation, propagation, likely pests and diseases, and availability. A full synonymy is given, along with type citations and known presence of type material, together with relevant notes. Statements of the species'
Nicholas Hind, Deborah Lambkin
wiley   +1 more source

Presence of 16SrIV phytoplasmas of subgroups A,D and E in planthopper Haplaxius crudus Van Duzee insects in Yucatan, Mexico [PDF]

, 2018
The present study was carried out to determine if group 16SrIV phytoplasmas, causing lethal yellowing (LY) disease, are present in Haplaxius crudus Van Duzee (Hemiptera: Cixiidae) insects associated with palms in Yucatán, Mexico.
Dollet, Michel, Dzido, Jean-Luc, Fabre, Sandrine, Harrison, Nigel, Julia, Jean-François, Narvaez, Maria, Nic-Matos, Germán, Oropeza, Carlos, Vázquez-Euán, Roberto   +8 more
core   +1 more source

1162. Symphyotrichum oolentangiense (Riddell) G.L. Nesom

Curtis's Botanical Magazine, EarlyView.
Summary Symphyotrichum oolentangiense (Riddell) G.L. Nesom (Compositae: Astereae: Symphyotrichinae) is described and illustrated. A very brief biographical note of John Leonard Riddell, the collector and author of the species, is offered. Notes are provided for the species' cultivation, propagation, likely pests and diseases, and availability.
Nicholas Hind, Deborah Lambkin
wiley   +1 more source

1163. Heterotheca camporum (Greene) Shinners

Curtis's Botanical Magazine, EarlyView.
Summary Heterotheca camporum (Greene) Shinners (Compositae: Astereae: Chrysopsidinae) is described and illustrated. Notes are provided for the species' cultivation, propagation, likely pests and diseases, and availability. A full synonymy is given, along with type citations and known presence of type material, together with relevant notes.
Nicholas Hind, Christabel King
wiley   +1 more source

Introduction to the Compositae of the North American Prairie planting at Wakehurst Place ‐ part 2

Curtis's Botanical Magazine, EarlyView.
Summary A further eight plant portraits are provided of additional Compositae amongst the North American Prairie plantings at Wakehurst, West Sussex. Three tribes are represented amongst the portraits, the Astereae (Symphyotrichum oolentangiense, Heterotheca camporum), Heliantheae (Echinacea simulata, E.
Nicholas Hind
wiley   +1 more source

Terrestrial Analogs to Titan for Geophysical Research

Reviews of Geophysics, Volume 64, Issue 2, June 2026.
Abstract Saturn's moon Titan exhibits remarkable parallels to the Earth in many geophysical and geological processes not found elsewhere in the solar system at the present day. These include a nitrogen atmosphere with a condensible gas—methane—replacing the Earth's water, leading to an active meteorology with rainfall and surface manifestations ...
Conor A. Nixon, Samuel Birch, Audrey Chatain, Charles Cockell, Kendra K. Farnsworth, Peter M. Higgins, Stéphane Le Mouélic, Rosaly M. C. Lopes, Michael J. Malaska, Mohit Melwani Daswani, Kelly E. Miller, Catherine D. Neish, Olaf G. Podlaha, Jani Radebaugh, Lauren R. Schurmeier, Ashley Schoenfeld, Krista M. Soderlund, Anezina Solomonidou, Christophe Sotin, Nicholas A. Teanby, Tetsuya Tokano, Steven D. Vance   +21 more
wiley   +1 more source

Aster yellows virus in celery: Spray treatment of natural breeding area of aster leafhopper controls spread of important virus disease to celery fields

California Agriculture, 1959
Annual losses as high as 30% –caused by aster yellows virus–have been cut to 5% by growers of the Arroyo Grande Valley of San Luis Obispo County who annually produce about 1,200 acres of celery valued at approximately $2.-500,000.
J Freitag, T Aldrich, R Drake
doaj  

Diseases of Economic Crops In Alaska [PDF]

, 1956
Inspection and control of imported plant materials will assist in preventing diseases from entering Alaska.General -- Methods of control -- Barley -- Oats -- Wheat -- Forage -- Potatoes: Blackleg, gianthill, haywire, late blight, leak, mild mosaic ...
Logsdon, Charles E.
core  

Differences in Phenological Estimation From Multi‐Vegetation Indices Across the Yellow River Basin

Ecology and Evolution, Volume 16, Issue 5, May 2026.
This study evaluated the differential performance of PPI, kNDVI, and EVI in monitoring land surface phenology across the Yellow River Basin. The three vegetation indices showed pronounced divergence in capturing autumn phenological metrics, particularly the downturn date (DD) and recession date (RD).
Qinyue Yu, Yan Bai, Juanle Wang
wiley   +1 more source

California aster yellows on vegetable and seed crops

Hilgardia, 1945
Abstract does not appear. First page follows. Introduction The investigations of host plants of aster yellows are covered by three reports. The present paper is confined to the work with aster yellows on vegetable and seed crops.
Norman W. Frazier, Henry H. P. Severin
openaire   +2 more sources